Crust Network provides a decentralized storage network of Web3.0 ecosystem. It supports multiple storage layer protocols such as IPFS, and exposes storage interfaces to application layer. Crust’s technical stack is also capable of supporting a decentralized computing layer. It is designed to build a decentralized cloud ecosystem that values data privacy and ownership.
Crust implements the incentive layer protocol for decentralized storage with adapting to multiple storage layer protocols including IPFS, and provides support for the application layer. At the same time, Crust’s architecture also can provide support for a decentralized computing layer to build a distributed cloud ecosystem. Decentralized storage allows files to be stored on different hosts by distributing the files across the entire network without being restricted by any centralized entity.
Users can flexibly manage their data and effectively enhance data security and reliability through data encryption, secure backup, authorized access and other means. At the same time, the storage space sharing model can also effectively reduce storage costs.
In 2019, Gartner, Crust Network world’s leading research and advisory company, announced the Top 10 strategic technology trends for 2020, which shows that distributed cloud service and practical blockchain technology are among the top ten technology development directions in 2020. Crust is exactly the overlap and extension of these two areas.
Crust Network GPoS (Guaranteed Proof of Stake) derives from PoS consensus. It requires nodes to provide storage resources as a guarantee to obtain staking quota, and encourages users to stake their tokens to high quality nodes via guarantee operation to obtain staking income.
Decentralized Cloud Storage Market
Crust Network DSM (Decentralized Storage Market) enables users to place storage orders on the chain, to get their data stored and distributed on Crust Network. With the back up of entire network, users can retrieve their data from everywhere at anytime.
Meaningful Proof of Work
Based on the TEE (Trusted Execution Environment) technology, Crust implements MPoW (Meaningful Proof of Work) mechanism to quantify meaningful storage resource usage and generate corresponding work report in a reliable way.
Crust is an Open Source Protocol
Crust Network is an open source project funded by Decentralized Cloud Foundation. It is under active development and maintenance by Clouderium Technologies. Clouderium is specialized in research and development of trusted computing, blockchain, and cloud storage.
DCF (Decentralized Cloud Foundation) funds and incubates teams and projects, to build decentralized cloud infrastructure and applications of Web3.0. Crust Network is the fundamental project that DCF mainly supports.
How does Crust network quantify storage workloads provided by nodes?
Based on the TEE (Trusted Execution Environment) technology, Crust implements MPoW (Meaningful Proof of Work) mechanism to quantify meaningful storage resource usage and generate corresponding work report in a reliable way. TEE is the abbreviation of the Trusted Execution Environment. It is a secure area on the main processor, which can guarantee the security, confidentiality, and integrity of the code and data loaded into the internal environment.
TEE provides an isolated execution environment. The security features provided include isolated execution, the integrity of trusted applications, the confidentiality of trusted data, and secure storage. In Crust, when each node enters the network, the entire network needs to verify the identity of its TEE.
It is determined that it is a valid TEE, and then remote authentication is performed to determine that the validation logic is executed in the TEE. Then this TEE is equivalent to the node’s monitor, which periodically checks the working status of the check node and generates a working report. Other nodes can reach a consensus on the storage space by verifying the TEE signature of the work report.
Why did Crust choose TEE technology?
The regular inspection of TEE is equivalent to the monitoring tool provided by each storage node. Of course, there are many ways to implement this monitoring function. TEE technology is not a proprietary hardware technology. Intel SGX and ARM TrustZone have released TEE technology in the latest CPU series. Various Intel x86 series and ARM computers are equipped with TEE. Software TEE (TEE implementation with TPM chip) is also being developed. Therefore, Crust chose TEE, which is an optimal solution obtained after balancing complexity, stability, and cost.
How does Crust join the Web3 / Polkadot ecosystem, and what impact will it have?
From the perspectives of function and technology, Crust Network positioning in the Web3 protocol stack belongs to “Data Distribution Protocols”. The Crust’s storage layer protocol is capable of providing encrypted storage and support for large calculations required by upper-layer protocols. Crust’s upper layer design includes the storage market, retrieval market, and file management mechanisms. Naturally, it needs to be compatible with some decentralized data transmission protocols, applications, and financial systems, and these protocols and applications have been fully implemented in the Web3 ecosystem.
For example, some file protocols in the Web3 ecosystem, such as DAT, Shift, etc., can provide flexible file management functions and better support version controls of dynamic files, but they all require a storage incentive layer such as Crust to provide the most basic storage resources. Finally, the Crust project will join the Polkadot ecosystem as a parallel chain, effectively supporting projects and applications within the ecosystem. Because Crust is technically closely integrated with projects such as IPFS and Phala, Crust can also effectively expand the technology ecosystem of Web3.
Will Crust Cloud support the storage of private files in the future?
Yes, the next version of Crust Network Cloud will offer a privacy storage function, where files will be uploaded encrypted and inaccessible. Further, we plan to upgrade the Crust Network before and after the main network launch, so that nodes can support TEE based data authentication and encryption and thus provide full flow protection for user privacy.
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